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Edit File: Order.php

<?php
/**
 * WC Admin Order
 *
 * WC Admin Order class that adds some functionality on top of general WooCommerce WC_Order.
 */

namespace Automattic\WooCommerce\Admin\Overrides;

defined( 'ABSPATH' ) || exit;

use Automattic\WooCommerce\Admin\API\Reports\Customers\DataStore as CustomersDataStore;
use Automattic\WooCommerce\Admin\API\Reports\Orders\Stats\DataStore as OrdersStatsDataStore;

/**
 * WC_Order subclass.
 */
class Order extends \WC_Order {
	/**
	 * Order traits.
	 */
	use OrderTraits;

/**
	 * Holds refund amounts and quantities for the order.
	 *
	 * @var void|array
	 */
	protected $refunded_line_items;

/**
	 * Caches the customer ID.
	 *
	 * @var int
	 */
	public $customer_id = null;

/**
	 * Get only core class data in array format.
	 *
	 * @return array
	 */
	public function get_data_without_line_items() {
		return array_merge(
			array(
				'id' => $this->get_id(),
			),
			$this->data,
			array(
				'number'    => $this->get_order_number(),
				'meta_data' => $this->get_meta_data(),
			)
		);
	}

/**
	 * Get order line item data by type.
	 *
	 * @param string $type Order line item type.
	 * @return array|bool Array of line items on success, boolean false on failure.
	 */
	public function get_line_item_data( $type ) {
		$type_to_items = array(
			'line_items'     => 'line_item',
			'tax_lines'      => 'tax',
			'shipping_lines' => 'shipping',
			'fee_lines'      => 'fee',
			'coupon_lines'   => 'coupon',
		);

if ( isset( $type_to_items[ $type ] ) ) {
			return $this->get_items( $type_to_items[ $type ] );
		}

return false;
	}

/**
	 * Add filter(s) required to hook this class to substitute WC_Order.
	 */
	public static function add_filters() {
		add_filter( 'woocommerce_order_class', array( __CLASS__, 'order_class_name' ), 10, 3 );
	}

/**
	 * Filter function to swap class WC_Order for this one in cases when it's suitable.
	 *
	 * @param string $classname Name of the class to be created.
	 * @param string $order_type Type of order object to be created.
	 * @param number $order_id Order id to create.
	 *
	 * @return string
	 */
	public static function order_class_name( $classname, $order_type, $order_id ) {
		// @todo - Only substitute class when necessary (during sync).
		if ( 'WC_Order' === $classname ) {
			return '\Automattic\WooCommerce\Admin\Overrides\Order';
		} else {
			return $classname;
		}
	}

/**
	 * Get the customer ID used for reports in the customer lookup table.
	 *
	 * @return int
	 */
	public function get_report_customer_id() {
		if ( is_null( $this->customer_id ) ) {
			$this->customer_id = CustomersDataStore::get_or_create_customer_from_order( $this );
		}

return $this->customer_id;
	}

/**
	 * Returns true if the customer has made an earlier order.
	 *
	 * @return bool
	 */
	public function is_returning_customer() {
		return OrdersStatsDataStore::is_returning_customer( $this, $this->get_report_customer_id() );
	}

/**
	 * Get the customer's first name.
	 */
	public function get_customer_first_name() {
		if ( $this->get_user_id() ) {
			return get_user_meta( $this->get_user_id(), 'first_name', true );
		}

if ( '' !== $this->get_billing_first_name( 'edit' ) ) {
			return $this->get_billing_first_name( 'edit' );
		} else {
			return $this->get_shipping_first_name( 'edit' );
		}
	}

/**
	 * Get the customer's last name.
	 */
	public function get_customer_last_name() {
		if ( $this->get_user_id() ) {
			return get_user_meta( $this->get_user_id(), 'last_name', true );
		}

if ( '' !== $this->get_billing_last_name( 'edit' ) ) {
			return $this->get_billing_last_name( 'edit' );
		} else {
			return $this->get_shipping_last_name( 'edit' );
		}
	}
}

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